From a8c44829b4223702e42f2169cdbd67b55634ce90 Mon Sep 17 00:00:00 2001
From: Salvatore Giordano <salvatoregiordanoo@gmail.com>
Date: Tue, 26 Jan 2021 10:26:39 +0100
Subject: [PATCH] return if calling disconnect more than once in websocket

---
 packages/dart_client/lib/src/api/websocket.dart | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/packages/dart_client/lib/src/api/websocket.dart b/packages/dart_client/lib/src/api/websocket.dart
index e3194078..ebe19868 100644
--- a/packages/dart_client/lib/src/api/websocket.dart
+++ b/packages/dart_client/lib/src/api/websocket.dart
@@ -290,6 +290,9 @@ class WebSocket {
 
   /// Disconnects the WS and releases eventual resources
   Future<void> disconnect() {
+    if (_manuallyClosed) {
+      return Future.value();
+    }
     logger.info('disconnecting');
     _connectionCompleter = Completer();
     _cancelTimers();